/* Sable Servers Looking Glass - Professional Theme */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #0ea5e9;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --border-light: #475569;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.2s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
.header {
  margin-bottom: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.logo-icon svg {
  width: 32px;
  height: 32px;
}

.logo-text h1 {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Info Card */
.info-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 500;
}

.info-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
}

.info-value a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.info-value a:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

/* Section Title */
.section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.section-icon {
  width: 24px;
  height: 24px;
  color: var(--primary-light);
}

/* Tools Section */
.tools-section {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.tool-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  background: var(--bg-dark);
  padding: 0.375rem;
  border-radius: var(--radius-sm);
}

.tab-btn {
  flex: 1;
  padding: 0.75rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 6px;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-input);
}

.tab-btn.active {
  background: var(--primary);
  color: white;
}

.tool-form {
  display: flex;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.input-group {
  flex: 1;
  min-width: 250px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-group input {
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: 'JetBrains Mono', monospace;
  transition: var(--transition);
}

.input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.input-group input::placeholder {
  color: var(--text-muted);
}

.execute-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.execute-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.execute-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.execute-btn svg {
  width: 16px;
  height: 16px;
}

/* Output Container */
.output-container {
  background: var(--bg-dark);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}

.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 500;
}

.copy-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.375rem;
  border-radius: 4px;
  transition: var(--transition);
}

.copy-btn:hover {
  color: var(--text-primary);
  background: var(--bg-dark);
}

.copy-btn svg {
  width: 16px;
  height: 16px;
}

#output {
  padding: 1rem;
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 400px;
  overflow-y: auto;
}

#output .placeholder {
  color: var(--text-muted);
  font-style: italic;
}

#output.error {
  color: var(--danger);
}

/* Speed Test Section */
.speedtest-section {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.speedtest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.speedtest-card {
  background: var(--bg-dark);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border);
}

.speedtest-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.speedtest-icon svg {
  width: 32px;
  height: 32px;
}

.speedtest-icon.latency {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.speedtest-icon.download {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.speedtest-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.speedtest-value {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
  line-height: 1.2;
}

.speedtest-unit {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.speedtest-options {
  margin-bottom: 1rem;
}

.speedtest-options select {
  padding: 0.5rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
}

.speedtest-btn {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.speedtest-btn:hover {
  background: var(--border);
}

.speedtest-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.progress-bar {
  height: 4px;
  background: var(--bg-input);
  border-radius: 2px;
  margin-top: 1rem;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.progress-bar.active {
  opacity: 1;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  width: 0%;
  transition: width 0.3s ease;
}

/* Files Section */
.files-section {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.files-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  margin-top: -0.5rem;
}

.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.file-card {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  text-align: center;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

.file-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.file-size {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 0.5rem;
}

.file-action {
  font-size: 0.75rem;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* Footer */
.footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-note {
  margin-top: 0.5rem;
  font-size: 0.75rem;
}

/* Loading */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 640px) {
  .container {
    padding: 1rem;
  }

  .info-grid {
    grid-template-columns: 1fr 1fr;
  }

  .tool-form {
    flex-direction: column;
  }

  .input-group {
    width: 100%;
  }

  .execute-btn {
    width: 100%;
    justify-content: center;
  }
}